Rust

Rust’s benchmark results for the AMD Ryzen 9 5900X and NVIDIA GeForce RTX 3070 combination show a system that is heavily balanced toward high refresh rate 1080p play, with a clear GPU bottleneck emerging as resolution scales. The Ryzen 9 5900X, a 12-core, 24-thread Zen 3 part based on the Vermeer architecture, operates at a 3.70 GHz base clock and a 4.80 GHz boost clock. Its 64 MB of L3 cache and dual-channel DDR4 memory support with 51.2 GB/s bandwidth provide strong fundamentals for Rust’s simulation-heavy gameplay. In synthetic benchmarks, the CPU’s average score of 39453 places it in the 90th percentile among all CPUs, with a single-thread PassMark score of 3469 and a multithread score of 39002. This indicates that the processor has ample headroom for both the game’s main thread and background tasks, but as the measured FPS data shows, it is rarely the limiting factor in this configuration.

CPU Role — cores, clocks, and how they relate to this game's results

The Ryzen 9 5900X’s 12 cores and 24 threads are far more than Rust typically requires, but the high boost clock of 4.80 GHz is what matters most for framerate consistency. The CPU’s 3dmark single-thread score of 941 and Cinebench R23 single-core score of 4680 reveal strong per-core performance, which is critical for a game like Rust that still relies heavily on a few primary threads for world simulation and entity updates. In multithreaded workloads, the CPU achieves a Cinebench R23 multicore score of 33150, showing it can handle simultaneous compilation or server-side tasks without breaking a sweat, but this does not directly translate to higher FPS in-game. The benchmark data confirms that at 1080p Low settings, the system reaches 187.9 FPS average, which is only 10.8% higher than the 1440p Low result of 125.6 FPS, suggesting that even at lower resolutions the CPU is not capping performance; instead, the GPU is already near its limit.

Relative to its nearest rivals, the Ryzen 9 5900X’s average benchmark score of 39453 is 0.2% higher than the AMD EPYC 4245P’s 39383 and 0.9% higher than the Intel Core i7-13700F’s 39095, but it trails the AMD Ryzen 7 PRO 8845HS by 0.7% and the Intel Core i7-13700 by 1%. This places the 5900X in a tight performance band where no single rival dominates by more than 1%, indicating that for Rust’s CPU demands, the 5900X is functionally equivalent to these alternatives. The CPU’s 90th percentile ranking across all CPUs further reinforces that it is a top-tier part, but the measured FPS deltas between settings show that the GPU is the primary determinant of performance in this specific pairing.

GPU Role — VRAM, clocks, and how they relate to this game's results

The NVIDIA GeForce RTX 3070, built on the Ampere architecture with the GA104 chip, features 8 GB of GDDR6 memory on a 256-bit bus, providing 448.0 GB/s of bandwidth. Its base clock of 1500 MHz and boost clock of 1725 MHz are modest for the 30-series, but the 5888 shading units and 184 texture mapping units deliver a raw FP32 throughput of 20.31 TFLOPS. The GPU’s 8 GB VRAM is a notable constraint at higher resolutions and settings in Rust, which is a game known for texture-heavy environments and long draw distances. At 4K Ultra, the average FPS drops to 34.7, and at 4K High it is only 41.8, suggesting that the VRAM capacity and memory bandwidth are being taxed heavily. The GPU’s PassMark G3D score of 22214 and 3dmark Steel Nomad DX12 score of 3162 place it in the 72nd percentile among all GPUs, with an average benchmark score of 28238.

Compared to its nearest rivals, the RTX 3070’s average score is 0.9% higher than the AMD Radeon RX 6600 XT’s 27985 and 1% higher than the NVIDIA GeForce GTX 980 Ti’s 27956, but it is 0.6% lower than the AMD FirePro S7150’s 28409 and 1.1% lower than the AMD Radeon R9 M295X’s 28541. This is a peculiar grouping, as the RTX 3070 is a modern part, yet its benchmark scores are closely matched with older or workstation-oriented cards. In practice, the RTX 3070’s 8 GB VRAM is the bottleneck at 4K Ultra, where the average FPS of 34.7 is nearly 55% lower than the 1080p Ultra result of 83 FPS, indicating that the GPU is struggling with memory capacity and bandwidth rather than raw compute.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The measured FPS data shows a clear and predictable scaling pattern across resolutions. At 1080p Low, the system averages 187.9 FPS, which drops to 125.6 FPS at 1440p Low (a 33.2% reduction) and further to 76.6 FPS at 4K Low (a 59.2% reduction from 1080p). This steep decline at 4K, even on Low settings, points directly to the GPU as the limiting component; the CPU is not the constraint because the framerate drop is far larger than the resolution pixel count increase would suggest if the CPU were the bottleneck. For High settings, the pattern is similar: 102.3 FPS at 1080p, 69.6 FPS at 1440p (a 32.0% drop), and 41.8 FPS at 4K (a 59.1% drop from 1080p). The consistency of these percentage drops across settings indicates that the GPU’s memory subsystem is the primary limiting factor, as the RTX 3070’s 8 GB VRAM is saturated at 4K regardless of quality preset.

The scaling from 1080p to 1440p is more moderate, with average FPS reductions of 33.2% for Low, 34.4% for Medium (127.4 to 83.6 FPS), 32.0% for High, and 30.2% for Ultra (83.0 to 57.9 FPS). This suggests that at 1440p, the GPU is still within its comfortable operating range, but the jump to 4K causes a disproportionate drop because the VRAM capacity is exceeded. The data shows that the RTX 3070 is a capable 1440p card for Rust, but at 4K, even the lowest settings cannot maintain a smooth 60 FPS, with the 4K Low result of 76.6 FPS being the only 4K preset above 60 FPS. This analysis confirms that the GPU is the dominant bottleneck at all resolutions above 1080p, with the CPU contributing minimal overhead.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

At 1920x1080, the system delivers strong performance across all settings. Low settings produce an average of 187.9 FPS, Medium yields 127.4 FPS, High achieves 102.3 FPS, and Ultra drops to 83.0 FPS. The gap between Low and Ultra is 104.9 FPS, or 55.8% of the Low result, indicating that the GPU’s shading and memory bandwidth are taxed more heavily as quality increases, but the CPU keeps up without issue. At 2560x1440, the averages are 125.6 FPS for Low, 83.6 FPS for Medium, 69.6 FPS for High, and 57.9 FPS for Ultra. The drop from 1080p to 1440p is substantial, but the 1440p Ultra result of 57.9 FPS is still playable, and the 1440p High result of 69.6 FPS is smooth for most displays.

At 3840x2160, the RTX 3070 struggles. Low settings average 76.6 FPS, which is the only 4K preset above 60 FPS. Medium drops to 52.5 FPS, High to 41.8 FPS, and Ultra to 34.7 FPS. The difference between 4K Low and 4K Ultra is 41.9 FPS, or 54.7% of the Low result, showing that the GPU is severely limited at this resolution. The combination ranks 741 out of 1717 in Rust’s benchmark database, placing it in the 43rd percentile of tested combos, which is a mid-pack result for a high-end CPU and upper-midrange GPU. This ranking reflects that while the CPU is top-tier, the GPU’s 8 GB VRAM and bandwidth constraints hold back the overall system in Rust’s demanding environments.

FAQ

Q: What is the average FPS at 1080p Ultra settings for this combo?

A: The system achieves an average of 83.0 FPS at 1920x1080 with Ultra settings, which is the lowest result at that resolution but still comfortably above 60 FPS.

Q: Is the CPU or GPU the bottleneck at 4K resolution?

A: The data shows the GPU is the limiting factor at 4K. The average FPS drops from 187.9 at 1080p Low to 76.6 at 4K Low, a 59.2% reduction that far exceeds what CPU limitations would cause, especially given the Ryzen 9 5900X’s strong single-thread scores.

Q: How does the Ryzen 9 5900X compare to the Intel Core i7-13700F in average benchmark score?

A: The Ryzen 9 5900X has an average benchmark score of 39453, which is 0.9% higher than the Intel Core i7-13700F’s 39095, making the AMD part slightly faster in synthetic tests.

Q: What is the highest average FPS recorded for this system in Rust?

A: The highest average FPS is 187.9, achieved at 1920x1080 with Low settings. This is the only preset where the system approaches 200 FPS, highlighting the GPU’s limits at higher quality settings.

Q: Does the RTX 3070 outperform the AMD Radeon RX 6600 XT in benchmarks?

A: Yes, the RTX 3070’s average benchmark score is 28238, which is 0.9% higher than the RX 6600 XT’s 27985, showing a slight performance advantage for the NVIDIA card.

Q: At which resolution does the system fail to maintain 60 FPS on High settings?

A: At 3840x2160 with High settings, the average FPS is 41.8, which is well below 60 FPS. At 2560x1440 with High settings, the average of 69.6 FPS stays above the 60 FPS threshold, so 4K is the point where High settings become unplayable.